YouTube video by Union of Concerned Scientists

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The Hanford nuclear site closed decades ago, but community members are still waiting for recognition of its costs to their health.

Current plan is to remove all 400 Minuteman III ICBMs made by Boeing from silos by 2039

UCS interviewed the co-authors of a UN report on how certain groups are harmed by radiation more than others.

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Two U.S. Democratic lawmakers pressed the secretary of energy on Wednesday whether members of Elon Musk's Department of Government Efficiency have access to classified information on nuclear weapons, saying nuclear secrets need to be tightly safeguarded.

The New York Times would like to hear from you about workplace protocols and safety measures at LANL.

A public hearing Tuesday in Santa Fe is one of several opportunities for people to weigh in on a draft environmental assessment.

YouTube video by Union of Concerned Scientists

Here are four steps that might bring Beijing to the table.

The second Trump administration is likely to resume explosive nuclear weapons tests, but they are unnecessary and can have dire consequences that last for generations.

It has been 36 years since the UN last studied the effects of nuclear war. Given changes in our world and our scientific abilities, it is time for the UN to update these findings and fill in important...

Essential readings for understanding the world of radiation, radioactive materials, and the threats they pose to human health

House Speaker Mike Johnson appears to be standing in the way of a desire among members of his own party to pass amendments to the Radiation Exposure Compensation Act, which have already been passed by...

The 2024 Nobel Peace Prize has been awarded to Nihon Hidankyo, a Japanese organization of Hiroshima and Nagasaki atomic bombing survivors, for working towards international nuclear disarmament

Essential readings for understanding the world of radiation, radioactive materials, and the threats they pose to human health

The Energy Department says it is closing in on mass producing warhead-ready plutonium pits—the explosive core of nuclear weapons. But a federal court ruling suggests otherwise.

Production of plutonium pits is one step in a long process to produce the new W87-1 thermonuclear warhead for the future Sentinel ICBM.

NNSA verified completion of the First Production Unit (FPU) of a plutonium pit for the W87-1 Modification Program. A plutonium pit is a necessary component in America’s nuclear warheads.

Laura Grego, a senior scientist and the research director of the Global Security Program at the Union of Concerned Scientists, suggests five questions about the international norm against nuclear use,...

Readers discuss diversity, equity and inclusion efforts. Also: The debate; Donald Trump’s mental state; the Sentinel missile program; a walker in Manhattan.

A strong and meaningful test ban would come at virtually no strategic cost since the US has so little to gain from renewed testing.

Recent analysis of the Sentinel nuclear weapons program found the estimated costs to be much higher than anticipated--and the system will not make us any safer from the threat of nuclear war than we a...

In response to a question during a regular press conference, Chinese Foreign Ministry Spokesperson Lin Jian said, “the Chinese side decided to hold off discussion with the US on a new round of consult...